We all have a friend who would use this...

Dolce & Gabbana Chain-Strap iPhone Case, NeimanMarcus.com, $545

For New Years Eve or party-hoppers, This multicolor Dolce & Gabbana Chain-strap iPhone case features a little pouch for coins (you shouldn’t be buying your own drinks, anyway) and a gold tone shoulder strap long enough to sling across your bod.

Tried, true and tremendous...

 Louis Vuitton, LouisVuitton.com, $250 and up

Le Duh. A little Louis iPhone case is just as trusty as your tried-and-true Speedy. And it matches! Available in the classic canvas and crazy alternatives like Taiga leather, a simple sleeve can’t be wrong.